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How a star cluster ruled out MACHOs

Are massive black holes hiding in the halos of galaxies, making up the majority of the universe's mysterious dark matter? This possibility may have been ruled out by a star cluster in a small galaxy recently discovered orbiting ...

dateAug 10, 2016 in Astronomy
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Among galaxies, a voracious flea

Even a dwarf galaxy with very low mass is capable of accreting smaller nearby galaxies, according to an international team of astronomers led by Francesca Annibali of INAF, the Italian National Institute for Astrophysics. ...

dateAug 10, 2016 in Astronomy
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The role of magnetic fields in star formation

The star forming molecular clump W43-MM1 is very massive and dense, containing about 2100 solar masses of material in a region only one-third of a light year across (for comparison, the nearest star to the Sun is a bit over ...

dateJul 29, 2016 in Astronomy
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Discovery of the companions of millisecond pulsars

When a star with a mass of roughly ten solar masses finishes its life, it does so in a spectacular explosion known as a supernova, leaving behind as remnant "ash" a neutron star. Neutron stars have masses of one-to-several ...

dateSep 28, 2015 in Astronomy
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Sunny, with a chance of nuclear bullets

In space, far above Earth's turbulent atmosphere, you might think the one thing you don't have to worry about is weather. But you would be wrong. Just ask the people charged with the safety of the Cloud-Aerosol Lidar and ...

dateJul 23, 2015 in Space Exploration
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Ancient black hole defied rules of galaxy formation

Black holes can be found at the centres of most galaxies. Most have little mass compared with their host galaxy. ETH researchers, however, have discovered a particularly massive black hole, which clearly grew so quickly that ...

dateJul 09, 2015 in Astronomy
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